Gene? Mecha!

This is a dangerous world, and this is a world of opportunity. This is a world of despair, this is a world of hope. Within the high walls, people live and work in peace and contentment, with no worries about food and clothing. Outside the high wall, facing the threat of wild beasts, everyone is in danger Liu Zhouming was framed by his scavenging partners and trapped in a garbage pit. He accidentally obtained a mysterious crystal that could reorganize matter. "This thing can also make a mecha?!" In this era when everyone is injected with gene sources and becomes geneticists, how can he use a mecha to reach the top of the world?